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<title>Canvas test: 2d.composite.globalAlpha.range</title>
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<h1>
<a href="2d.composite.globalAlpha.range.html" target="_parent">2d.&#8203;composite.&#8203;globalAlpha.&#8203;range</a>
</h1>
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<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<ul id="d"></ul>
<script>
_addTest(function(canvas, ctx) {

ctx.globalAlpha = 0.5;
var a = ctx.globalAlpha; // might not be exactly 0.5, if it is rounded/quantised, so remember for future comparisons
ctx.globalAlpha = 1.1;
_assertEqual(ctx.globalAlpha, a, "ctx.globalAlpha", "a");
ctx.globalAlpha = -0.1;
_assertEqual(ctx.globalAlpha, a, "ctx.globalAlpha", "a");
ctx.globalAlpha = 0;
_assertEqual(ctx.globalAlpha, 0, "ctx.globalAlpha", "0");
ctx.globalAlpha = 1;
_assertEqual(ctx.globalAlpha, 1, "ctx.globalAlpha", "1");


});
</script>

